Rings LunaOroCreations Luna ring review TechRadar 14kt gold diamond bar dome ring Luna Skye Luna ring review TechRadar 14kt gold dome ring Luna Skye. The Luna Dome Ring from Commonform is a unique statement piece. Ethically sourced and individually crafted. The yellow gold finish adds a touch of formality. The ring is size 6+, but can be adjusted to ensure the perfect fit. As part of our commitment to sustainability, this ring is also recyclable. Designed and produced locally in Bozeman, Montana, each piece we create is unique, just like you.